CN102880847A - Novel coal mine downhole positioning system based on leaky cable - Google Patents
Novel coal mine downhole positioning system based on leaky cable Download PDFInfo
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- CN102880847A CN102880847A CN2012104012954A CN201210401295A CN102880847A CN 102880847 A CN102880847 A CN 102880847A CN 2012104012954 A CN2012104012954 A CN 2012104012954A CN 201210401295 A CN201210401295 A CN 201210401295A CN 102880847 A CN102880847 A CN 102880847A
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Abstract
The invention discloses a novel coal mine downhole positioning system based on a leaky cable. The system comprises a ground control center, a communication interface, a coupler, a leaky cable and a plurality of RFID (Radio Frequency Identification) cards, wherein each RFID card comprises a coupling element and a chip; the leaky cable is fixed to a roadway wall by ordinary clamps and integrated clamps; the integrated clamps are all clamps with integrated chip modules; the integrated chip module comprises a locator device and an electromagnetic wave charging circuit device; a leakage slotted hole on the leaky cable is used for receiving a radio wave signal in the RFID card, transmitting a radio wave signal that the ground control center transmits an operating instruction to the RFID card, and sending electromagnetic waves for charging the locator device; the leaky cable performs data communication with the ground control center through the communication interface; the ground control center processes locating information sent by the RFID card, and locates an object, and at the same time can send an operating instruction to the RFID card. The novel coal mine downhole positioning system based on the leaky cable provided by the invention has the advantages that the system can process information with large data quantity, and the location is accurate.
Description
Technical field
The present invention relates to the colliery downhole positioning system, be specifically related to a kind of New Coal Mine downhole positioning system based on leaky cable.
Background technology
In recent years, explosion of coal mines, landslide event occur repeatedly, the miners' that how to ensure mine and work in the colliery safety more and more embodies its importance, to the coal-mine gas disaster, downhole monitoring system carries out fundamental research and becomes very necessary, China has also strengthened input in science and technology in this respect, makes every effort to and can have breakthrough.
The colliery downhole positioning system is the tunnel construction site monitoring system that integrates the functions such as first aid after constructing tunnel personnel work attendance, zone location, safe early warning, the calamity, daily management.Can make managerial personnel can grasp at any time the distribution situation of job site personnel, equipment and the movement locus of each personnel and equipment, be convenient to carry out more reasonably management and running and security monitoring management.When accident occured, data, figure that the rescue personnel can provide according to this system were understood rapidly the relevant personnel's situation, in time take to rescue accordingly measure, improve the efficient of emergency management and rescue work.
REID is present colliery downhole positioning system technology commonly used, conventional radio-frequency (RF) identification positioning system is shown in figure one, card reader is installed in crossing in each tunnel, for long tunnel, card reader is installed in general suitable segmentation, everyone carries a RFID tag card staff of down-hole, each RFID tag card is by the corresponding corresponding personnel of unique ID, in each access adit of down-hole and tunnel, card reader is installed, card reader has different addresses, the card reader of right quantity forms base station, a down-hole, and each website of base station forms the host computer that the CAN bus network is connected to ground.When the underground work personnel were regional through the read-write of card reader, they can send ID to card reader by carry-on RFID tag card, and card reader sends to the base station with the personnel ID information of collecting, and host computer sends the personnel positions information of obtaining in the base station of ordering.Host computer is judged personnel's situation by process information.Personnel in the pit RFID tag card and card reader have consisted of the downhole hardware network, and upper computer software then is comprised of operation interface and Database Systems.
China's coal-mine down-hole geology is very complicated, and mine laneway length can reach tens kms, work under bad environment, and setting disperses, and with the propelling of getting working face, Coal Mine Electromechanical Equipment and mobility of people are large.Affected by environment, the installation site of card reader and mounting means are all relatively more difficult.
In addition, card reader in the radio-frequency recognition system is generally divided fixed and portable, fixed card reader needs special power supply facilities, the complexity of arranging net, and portable card reader is mainly used powered battery, along with the prolongation of service time, the electric weight of battery descends, so that the operating distance of automatic recognition system descends, when the user did not know the power consumption of battery, reader system may can not get the information of label card and cause the identification of tag system and the omission of record.
Summary of the invention
The objective of the invention is in order to overcome above deficiency, provide a kind of and can process larger data amount information, the New Coal Mine downhole positioning system based on leaky cable of registration.
Purpose of the present invention is achieved through the following technical solutions: a kind of New Coal Mine downhole positioning system based on leaky cable, described positioning system comprises the ground control centre, communication interface, coupling mechanism, leaky cable and a plurality of RFID tag card, each RFID tag card includes coupling element and chip, store in the chip for the information that target is identified, leaky cable is fixed on the wall by a plurality of common jigs and a plurality of integrated jig, each integrated jig is the jig with integrated chip module, the integrated chip module comprises positioner device and electromagnetic wave charging circuit arrangement, positioner device is used for communicating with the RFID tag card, for the RFID tag card provides positional information, positioner device adopts chargeable battery to charge, the electromagnetic wave charging circuit arrangement is used for positioner device is charged, leaky cable is to offer a plurality of slotted eyes of sewing at concentric cable, sew slotted eye for the radio wave signal that receives the RFID tag card, the radio wave signal of operational order and the strong electromagnetic wave that transmission is used to positioner device to charge are sent to the RFID tag card in the emission ground control centre, described leaky cable is by carrying out data communication between communication interface and the ground control centre, the locating information that the ground control centre sends over for the treatment of the RFID tag card, target is positioned, simultaneously can be to RFID tag card transmit operation instruction.
Further improvement of the present invention is: described ground control centre comprises control workstation, database server and terminal, and the control workstation is used for storing the locating information that receives into database server, calculates simultaneously the position of target by terminal.
Further improvement of the present invention is: described leaky cable lays along well enclosure, from well head, lays to each depths, tunnel by coupling mechanism in the crossing, tunnel when laying, and the terminal of leaky cable connects load.
Further improvement of the present invention is: described positioner device comprises TX/RX module, radio-frequency signal processing module, single-chip microcomputer and rechargeable battery.
Further improvement of the present invention is: described electromagnetic wave charging circuit arrangement comprises for the electric weight feedback circuit of feedback positioner device rechargeable battery electric weight, antenna, be used for preventing that charging voltage is too high and circuit produced overvoltage crowbar, transformer, rectification circuit and the filtering circuit that destroys.
Further improvement of the present invention is: be equipped be used to the built-in aerial that carries out radio communication in each described RFID tag card.
The present invention compared with prior art has the following advantages:
1, under the coal mine positioning system using leaky cable as the communication between ground control centre and the RFID tag card, system of laying is simple, cover under the coal mine comprehensively, signal of communication is even, in addition, the leaky cable bandwidth is larger, can process larger data amount information, and positioning system does not need to carry out the processing of redundant information.
2, positioner device of the present invention is integrated on the integrated jig, during construction, need not to be the independent addressing of positioner device, independent installation positioner, only need according to location requirement, when the leaky cable that lays is fixed, every specific range an integrated jig to be installed and to be got final product, all the other point of fixity still are fixed with common jig, convenient construction, and greatly reduced the engineering time.
3, the electromagnetic wave charging circuit arrangement is integrated on the integrated jig, can be the positioner device that is integrated in simultaneously on the integrated jig and charge as required, charging can guarantee that steady arm provides locating information for the staff who posts the RFID tag card in real time fast.
Description of drawings:
Fig. 1 is the synoptic diagram of traditional radio-frequency (RF) identification colliery downhole positioning system;
Fig. 2 is the structural representation of common jig;
Fig. 3 is the structural representation of integrated jig;
Fig. 4 is the theory diagram of integrated chip module in the integrated jig of the present invention;
Fig. 5 is a kind of New Coal Mine downhole positioning system synoptic diagram based on leaky cable of the preferred embodiment of the present invention;
Fig. 6 is the present invention carries out the microwave charging to positioner device process flow diagram;
Number in the figure: 1-dop, 2-base, 3-fixed sleeve part, 4-draw-in groove, 5-integrated chip module, the common jig of 6-, the integrated jig of 7-.
Embodiment:
In order to deepen the understanding of the present invention, the invention will be further described below in conjunction with embodiment and accompanying drawing, and this embodiment only is used for explaining the present invention, does not consist of the restriction to protection domain of the present invention.
The New Coal Mine downhole positioning system that the present invention is based on leaky cable comprises the ground control centre; communication interface; coupling mechanism; leaky cable and a plurality of RFID tag card; each described RFID tag card includes coupling element and chip; store in the chip for the information that target is identified; described leaky cable is to offer a plurality of slotted eyes of sewing at concentric cable; sew slotted eye for the radio wave signal that receives the RFID tag card; the radio wave signal of operational order and the strong electromagnetic wave that transmission is used to positioner device to charge are sent to the RFID tag card in the emission ground control centre; described leaky cable is by carrying out data communication between communication interface and the ground control centre; the locating information that described ground control centre sends over for the treatment of the RFID tag card; target is positioned; simultaneously can be to RFID tag card transmit operation instruction; the ground control centre comprises the control workstation; database server and terminal; described control workstation is used for storing the locating information that receives into database server; calculate simultaneously the position of target by terminal; leaky cable lays along well enclosure; when laying from well head; lay to each depths, tunnel by coupling mechanism in the crossing, tunnel; the terminal of leaky cable connects load; leaky cable is fixed on the wall by a plurality of common jigs 6 and a plurality of integrated jig 7; each common jig 6 and a plurality of integrated jig 7 include dop 1 as shown in Figures 2 and 3; base 2; fixed sleeve part 3; each integrated jig 7 is the jig with draw-in groove 4 and integrated chip module 5; the integrated chip module comprises positioner device and electromagnetic wave charging circuit arrangement as shown in Figure 4; positioner device is used for communicating with the RFID tag card; for the RFID tag card provides positional information; positioner device adopts chargeable battery to charge; the electromagnetic wave charging circuit arrangement is used for positioner device is charged; the electromagnetic wave charging circuit arrangement comprises be used to preventing the too high and overvoltage crowbar that the back circuit produce is destroyed of charging voltage and AC rectification being filtered into galvanic current rectifying and wave filtering circuit; positioner device comprises that the TX/RX module namely receives/transmitter module; radio-frequency signal processing module; single-chip microcomputer and rechargeable battery; the electromagnetic wave charging circuit arrangement comprises the electric weight feedback circuit for feedback positioner device rechargeable battery electric weight; antenna; be used for preventing that charging voltage is too high and circuit produced the overvoltage crowbar that destroys; transformer; rectification circuit and filtering circuit are equipped be used to the built-in aerial that carries out radio communication in each RFID tag card.
Colliery downhole positioning system embodiment of the present invention can have a lot of, below adopts most preferred embodiment to describe.
Most preferred embodiment of the present invention as shown in Figure 5 colliery downhole positioning system comprises: the ground control centre by control workstation, database server and terminal form is used for carrying out target localization; Communication interface; Along the leaky cable that well enclosure lays, be used for realizing the wireless transmission of locator data, operational order and charging strong electromagnetic wave; Common jig is used for leaky cable is fixed on wall; Integrated jig has three kinds of functions, and the one, leaky cable is fixed on the wall, the 2nd, integrated positioner device can be the RFID tag card positional information is provided, and the 3rd, integrated electromagnetic wave charging circuit arrangement, when steady arm work electric weight is not enough, automatically be its charging by the electromagnetic wave mode, integrated jig dop bottom-thickened, built-in draw-in groove, shown in the arrow among Fig. 3, the integrated chip module is inserted in the draw-in groove, and the RFID tag card stores the information that can identify target.
This colliery downhole positioning system of most preferred embodiment is zone location according to the present invention, the staff carries the RFID tag card, generally be installed on staff's the safety helmet, positioner device in the integrated jig at regular intervals interval is launched the information that comprises its installation site towards periphery, concrete position fixing process is divided into two kinds of positive location and passive positioning, positive location refer to when the staff in coal mine lower time, the RFID tag card receives the radio frequency beam of steady arm, and regularly the information (being used for the information to self poisoning) that receives is modulated to its built-in aerial together with RFID tag card self information, carry out radio communication with leaky cable, the ground control centre receives each RFID tag card information of being passed back by leaky cable, and carry out demodulates information, process, corresponding data software is housed on the database server of ground control centre, the information of record demodulation, can the staff who post the RFID tag card be positioned and follow the tracks of like this, passive positioning is that the ground control centre sends positioning instruction, be sent to each RFID tag card under the coal mine by leaky cable, after the RFID tag card is received the instruction that requires the location, at once steady arm radio frequency beam information and the electronic tag self information that receives is modulated on its built-in aerial, feed back to the ground control centre by leaky cable, thereby realize passive positioning.Positive location is mainly used in the daily coal mine working personal management, more multiplex wounded location and the rescue when disaster occurs of passive positioning.
This colliery downhole positioning system of most preferred embodiment of the present invention; the electromagnetic wave charging process is as shown in Figure 6: when some positioner device work electric weight are not enough; initiatively send the charging demand information; this information is sent to the ground control centre by leaky cable; the ground control centre sends strong electromagnetic wave; be sent to the receiving antenna of steady arm through the wireless mode of leaky cable; and change into electric energy and be all steady arms chargings; for preventing that overcharge from causing circuit to damage; strong electromagnetic wave is positioned after the receiving antenna of device receives; pass through first overvoltage crowbar; pass through again current rectifying and wave filtering circuit; the AC rectification of receiving antenna is filtered into direct current; thereby steady arm is charged, and after the electric weight of the rechargeable battery in the positioner device reached predetermined value, information was finished in the feedback charging; the ground control centre stops to send strong electromagnetic wave, and charging finishes.Because steady arm to be charged is integrated on the integrated jig, and jig and leaky cable distance are very near, and it is quick, practical to charge, and can greatly reduce energy loss.
The embodiment of the invention described above is not to be limitation of the invention, does not break away from variation and the change of essence of the present invention, all should be within protection scope of the present invention.
The positioning system using leaky cable is as the communication between ground control centre and the RFID tag card under the coal mine of the present invention, and system of laying is simple, covers comprehensively under the coal mine, and signal of communication is even.In addition, the leaky cable bandwidth is larger, can process larger data amount information, positioning system does not need to carry out the processing of redundant information, positioner device is integrated on the integrated jig, during construction, need not to be the independent addressing of steady arm, independent installation positioner, only need according to location requirement, when the leaky cable that lays is fixed, every specific range an integrated jig to be installed and to be got final product, all the other point of fixity still are fixed with common jig, convenient construction, and greatly reduced the engineering time, the electromagnetic wave charging circuit has been integrated on the integrated jig, can be the positioner device that is integrated in simultaneously on the integrated jig and charge as required, charging can guarantee that steady arm provides locating information for the staff who posts the RFID tag card in real time fast.
Claims (6)
1. New Coal Mine downhole positioning system based on leaky cable, it is characterized in that: described positioning system comprises the ground control centre, communication interface, coupling mechanism, leaky cable and a plurality of RFID tag card, each described RFID tag card includes coupling element and chip, store in the chip for the information that target is identified, described leaky cable is fixed on the wall by a plurality of common jigs and a plurality of integrated jig, each described integrated jig is the jig with integrated chip module, described integrated chip module comprises positioner device and electromagnetic wave charging circuit arrangement, described positioner device is used for communicating with the RFID tag card, for the RFID tag card provides positional information, described positioner device adopts chargeable battery to charge, described electromagnetic wave charging circuit arrangement is used for positioner device is charged, described leaky cable is to offer a plurality of slotted eyes of sewing at concentric cable, sew slotted eye for the radio wave signal that receives the RFID tag card, the radio wave signal of operational order and the strong electromagnetic wave that transmission is used to positioner device to charge are sent to the RFID tag card in the emission ground control centre, described leaky cable is by carrying out data communication between communication interface and the ground control centre, the locating information that described ground control centre sends over for the treatment of the RFID tag card, target is positioned, simultaneously can be to RFID tag card transmit operation instruction.
2. described a kind of New Coal Mine downhole positioning system based on leaky cable according to claim 1, it is characterized in that: described ground control centre comprises control workstation, database server and terminal, described control workstation is used for storing the locating information that receives into database server, calculates simultaneously the position of target by terminal.
3. described a kind of New Coal Mine downhole positioning system based on leaky cable according to claim 1, it is characterized in that: described leaky cable lays along well enclosure, from well head, lay to each depths, tunnel by coupling mechanism in the crossing, tunnel when laying, the terminal of leaky cable connects load.
4. described a kind of New Coal Mine downhole positioning system based on leaky cable according to claim 1, it is characterized in that: described positioner device comprises TX/RX module, radio-frequency signal processing module, single-chip microcomputer and rechargeable battery.
5. described a kind of New Coal Mine downhole positioning system based on leaky cable according to claim 1 is characterized in that: described electromagnetic wave charging circuit arrangement comprises for electric weight feedback circuit, the antenna of feedback positioner device rechargeable battery electric weight, be used for preventing that charging voltage is too high and circuit produced overvoltage crowbar, transformer, rectification circuit and the filtering circuit that destroys.
6. described a kind of New Coal Mine downhole positioning system based on leaky cable according to claim 1 is characterized in that: be equipped be used to the built-in aerial that carries out radio communication in each described RFID tag card.
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| CN201210401295.4A CN102880847B (en) | 2012-10-22 | 2012-10-22 | Novel coal mine downhole positioning system based on leaky cable |
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| CN104200636A (en) * | 2014-09-19 | 2014-12-10 | 中国矿业大学 | Leaked cable communication system and leaked cable communication method adopting dual redundant power supply channels |
| CN104463282A (en) * | 2014-12-12 | 2015-03-25 | 上海上大鼎正软件股份有限公司 | Leaky-wave antenna and radio frequency identification reader-writer integrated cable type device |
| CN111432363A (en) * | 2020-03-13 | 2020-07-17 | 中天射频电缆有限公司 | Leakage carrier and indoor communication integrated network |
| CN111856155A (en) * | 2020-06-23 | 2020-10-30 | 贵州电网有限责任公司 | Cable information positioning and information acquisition method in cable channel |
| CN112763977A (en) * | 2019-10-21 | 2021-05-07 | 太原理工大学 | Underground positioning system and positioning method |
| CN116660826A (en) * | 2023-05-17 | 2023-08-29 | 中天射频电缆有限公司 | Leakage device, positioning method and electronic equipment |
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Address after: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Nantong, Jiangsu Patentee after: Zhongtian RF cable Co., Ltd. Address before: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Nantong, Jiangsu Patentee before: Zhongtian Rili Rf Cable Co., Ltd. |